$36 B

Age:

66

Jim Walton is the largest individual shareholder of retail giant Wal-Mart, with a stake exceeding $31 billion. The youngest child of the superstore's legendary founder Sam Walton still sits on the board for the company, which now generates $476 billion in sales with more than 11,000 stores worldwide. But he's also chairman and CEO of the family-founded Arvest Bank, which has branches in Arkansas, Kansas, Oklahoma and Missouri. The bank is worth about $1.8 billion, with assets of nearly $15 billion and net profits of nearly $130 million in 2013, and routinely ranks first in its regions for J.D. Power's retail banking satisfaction surveys. [...] more